#include <stdio.h>
#define INTPtr int*
typedef int* IntPtr;

int main()
{
    
    INTPtr a, b;
    IntPtr c, d;
    printf("a : %ld   b : %ld\n",sizeof(a),sizeof(b));
    printf("c : %ld   d : %ld\n",sizeof(c),sizeof(d));
    return 0;
}